It consists of QYB-0.45/70 Pneumatic Oil Pump and YDC cable tensioner. The pneumatic oil pump feeds power of high-pressure ... extend-retract jack bring stress for the bolting cable. The Pneumatic Oil Pump is Driven by compressed air with characters of ... coal mine, tunnels, bridge. With large tensioning power, reliable, well sealed and much durable, it is easy to maintain and operate ...

... valve 3.reasonable design 4.easy to install 5.optional Pneumatic diaphragm pump size 220mm×123mm×235mmmax flow 5.0gpm(18 ... common port that can prevent internal vapor from corroded by sealed element of air motor and it is good to idle ... , cast steel, polypropylene, aluminum alloy and so on. 7. REASONABLE SEALED DESIGNDiaphragm could be tightly located and it causes positive liquid ...

... dusts, good for protecting the operators and environment.sealing adopts pneumatic rubber valve. Through controlling the channel flow area of the ... materials within sealed container produce fluidized state, so as to conveying the feeding.Working principleControlling instrument→controlling electrical parts→dragging pneumatic institution ...